Picture a neighborhood after a flood. Before any agency arrives, a church hall is already open, cots are out, and volunteers who know every family on the block are handing out food. That scene repeats constantly, and it's not sentimentality — it's infrastructure. Congregations reliably produce the kind of sustained, local volunteerism that's hard to manufacture any other way.
The other side will point to the harms done in religion's name, and I won't pretend those are imaginary. But the question is net positive, and that means weighing the whole ledger. Organized religion has driven literacy, founded hospitals and universities, and pushed moral movements like abolition. It also gives people ritual, community, and a framework for generosity that outlasts any single charismatic leader.
Critics tend to judge religion by its worst headlines while judging secular institutions by their intentions. A fair accounting doesn't work that way. On balance, the everyday goods are real, widespread, and difficult to replace.